Triple
T5554455
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Crystal Springs Regional Trail |
E145603
|
entity |
| Predicate | isPartOf |
P10
|
FINISHED |
| Object |
San Mateo County Regional Trails System
The San Mateo County Regional Trails System is a planned network of interconnected multi-use trails in San Mateo County, California, designed to link parks, open spaces, and communities for recreation and non-motorized transportation.
|
E530230
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: San Mateo County Regional Trails System | Statement: [Crystal Springs Regional Trail, isPartOf, San Mateo County Regional Trails System]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: San Mateo County Regional Trails System Context triple: [Crystal Springs Regional Trail, isPartOf, San Mateo County Regional Trails System]
-
A.
San Francisco Bay Trail
The San Francisco Bay Trail is a planned 500-mile network of multi-use paths that encircle the San Francisco Bay, connecting shoreline parks, cities, and natural habitats for walkers, cyclists, and other non-motorized users.
-
B.
Contra Costa Canal Trail
The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
-
C.
North County Trailway
North County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for walking, running, and cycling along a former railroad corridor.
-
D.
Stevens Creek Trail
Stevens Creek Trail is a popular multi-use recreational path in Mountain View, California, that follows Stevens Creek and connects parks, neighborhoods, and nearby cities for walking, running, and cycling.
-
E.
Ohlone Wilderness Trail
The Ohlone Wilderness Trail is a long-distance backcountry hiking route in the East Bay hills of California, known for its rugged terrain, significant elevation changes, and scenic connections between multiple regional parks.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: San Mateo County Regional Trails System Triple: [Crystal Springs Regional Trail, isPartOf, San Mateo County Regional Trails System]
Generated description
The San Mateo County Regional Trails System is a planned network of interconnected multi-use trails in San Mateo County, California, designed to link parks, open spaces, and communities for recreation and non-motorized transportation.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: San Mateo County Regional Trails System Target entity description: The San Mateo County Regional Trails System is a planned network of interconnected multi-use trails in San Mateo County, California, designed to link parks, open spaces, and communities for recreation and non-motorized transportation.
-
A.
San Francisco Bay Trail
The San Francisco Bay Trail is a planned 500-mile network of multi-use paths that encircle the San Francisco Bay, connecting shoreline parks, cities, and natural habitats for walkers, cyclists, and other non-motorized users.
-
B.
Contra Costa Canal Trail
The Contra Costa Canal Trail is a multi-use recreational path in Contra Costa County, California, popular with cyclists, runners, and walkers as it follows the route of the Contra Costa Canal through suburban communities and open spaces.
-
C.
North County Trailway
North County Trailway is a paved multi-use rail trail in Westchester County, New York, popular for walking, running, and cycling along a former railroad corridor.
-
D.
Stevens Creek Trail
Stevens Creek Trail is a popular multi-use recreational path in Mountain View, California, that follows Stevens Creek and connects parks, neighborhoods, and nearby cities for walking, running, and cycling.
-
E.
Ohlone Wilderness Trail
The Ohlone Wilderness Trail is a long-distance backcountry hiking route in the East Bay hills of California, known for its rugged terrain, significant elevation changes, and scenic connections between multiple regional parks.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69c008fcaf788190bafa02a1917ee73b |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c01ffaf4fc8190bf27014d21954a70 |
completed | March 22, 2026, 4:59 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c0283878d88190ac60064e604aa002 |
completed | March 22, 2026, 5:34 p.m. |
| NEDg | Description generation | batch_69c0407824dc81908bc6a9662e0dbe7a |
completed | March 22, 2026, 7:18 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69c04141ea408190aba1463d56ad6b7d |
completed | March 22, 2026, 7:21 p.m. |
Created at: March 22, 2026, 3:36 p.m.